H&S version .21 less smoke? - Ford Powerstroke Diesel Forum
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  #1  
Old 09-22-2012, 08:37 AM
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H&S version .21 less smoke?

The 21 version is suppose to help decrease low boost fueling to reduce smoke with cold air intakes. Did anyone notice any difference? I'm going on a trip today so I'll post back any notices.

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Old 09-22-2012, 09:27 AM
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It's been mentioned that .21 has decreased the smoke considerably. Post back as I'm on the fence in regards to the update. It is so time consuming....I get impatient....lol
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Old 09-22-2012, 01:43 PM
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Yes it reduced a lot of the smoke on take off. Where if you punched it it would leave a big cloud. Mine is more of a decent haze now. Once it sees boost it's normal fueling though.


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Old 09-22-2012, 02:10 PM
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Wow. It reduced about 75% of smoke when I just step on it.

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Old 09-22-2012, 02:13 PM
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When I updated I also installed the transmission tuning. And I'm impressed. I did the relearn process and now my tranny makes better firm shifts. And I didn't even think it could shift better.

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Old 09-22-2012, 02:55 PM
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Did it improve the turbo lag?
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Old 09-22-2012, 03:43 PM
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Now that you mention it. Yes it did reduce the turbo lag.

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Old 09-22-2012, 05:46 PM
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I just did the .21 update also and I must say "Bravo" to H&S! Much better than even the .20 in regards to throttle response. It was dark, but I could still see head lights behind be when I jumped on the throttle. I see my city mpg increasing....

Now if they could get the "romp" taken care of, it would be a near perfect tune!

Let me try this.....

Attention H&S, you are doing a great job tuning the 6.7, could you please attend to the "romp" when light throttle is applied and then release I would appreciate it!!
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Old 09-22-2012, 08:20 PM
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Yeah I think the transmission shifts fine with .21. Apparently the next update will have adjustable low boost fueling from what I understand. I've been running .21 since they released it and I have no complaints at all with it.


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  #10  
Old 09-24-2012, 05:17 AM
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Yep. Its pretty great. Took away a lot of the smoke on take off.

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